Earth & Environmental Sciences
energy recovery
82%
waste treatment
76%
surveying
68%
wastewater treatment
59%
energy
25%
turbine
24%
fuel cell
19%
power generation
18%
innovation
15%
dairy farm
12%
combustion engine
11%
electrical power
11%
type of waste
11%
decision
11%
policy
10%
gas
8%
biogas
8%
wastewater treatment plant
8%
landfill
7%
thermodynamics
6%
oxide
6%
wastewater
5%
economics
5%
need
4%
water
2%
analysis
2%
Engineering & Materials Science
Waste treatment
100%
Surveying
83%
Wastewater treatment
82%
Recovery
47%
Steam turbines
18%
Gas turbines
15%
Power generation
15%
Technology and Innovation
12%
Dairies
12%
Land fill
10%
Biogas
10%
Solid oxide fuel cells (SOFC)
9%
Wastewater
9%
Internal combustion engines
8%
Farms
8%
Fuel cells
7%
Thermodynamics
7%
Large scale systems
7%
Economics
5%
Water
4%
Chemical Compounds
Wastewater Treatment
70%
Turbine
46%
Energy
33%
Internal Combustion Engine
26%
Fuel
14%
Wastewater
14%
Thermodynamics
10%
Amount
7%